/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.sentry.transport;

import io.sentry.util.Objects;

import java.net.Authenticator;
import java.net.PasswordAuthentication;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * ProxyAuthenticator
 *
 * @since 2021-06-02
 */
final class ProxyAuthenticator extends Authenticator {
    private final @NotNull String user;
    private final @NotNull String password;

    /**
     * Proxy authenticator.
     *
     * @param user proxy username
     * @param password proxy password
     */
    ProxyAuthenticator(final @NotNull String user, final @NotNull String password) {
        this.user = Objects.requireNonNull(user, "user is required");
        this.password = Objects.requireNonNull(password, "password is required");
    }

    @Override
    protected @Nullable PasswordAuthentication getPasswordAuthentication() {
        if (getRequestorType() == RequestorType.PROXY) {
            return new PasswordAuthentication(user, password.toCharArray());
        }
        return null;
    }

    @NotNull
    String getUser() {
        return user;
    }

    @NotNull
    String getPassword() {
        return password;
    }
}
